NEET Physics Magnetic Properties of Materials MCQ Question
Which of the following methods is NOT mentioned as a way to create a permanent magnet?
Holding a steel rod and stroking it with a bar magnet
Placing a ferromagnetic rod in a solenoid and passing a current
Using a high-temperature superconductor to create a magnet
Hammering an iron rod while aligned in the north-south direction
Correct Answer
Detailed Explanation
The NCERT context discusses methods such as stroking a steel rod with a bar magnet, placing a rod in a solenoid, and hammering an iron rod, but it does not mention using high-temperature superconductors for magnet creation.
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